123724-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123724-80-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,2 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123724-80:
(8*1)+(7*2)+(6*3)+(5*7)+(4*2)+(3*4)+(2*8)+(1*0)=111
111 % 10 = 1
So 123724-80-1 is a valid CAS Registry Number.